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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A202182 as a simple table

na(n)
11
22
35
415
549
6180
7715
83081
914217
1069905
11363926
121996922
131150036
1469269925

[1,2,5,15,49,180,715,3081,14217,69905,363926,
 1996922,1150036,69269925]